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Senior Python Backend Engineer – FastAPI & Microservices

Job in Belfast, County Antrim, BT1, Northern Ireland, UK
Listing for: payabl.
Full Time position
Listed on 2026-07-08
Job specializations:
  • Software Development
    Backend Developer, Python
Job Description & How to Apply Below

payabl. is seeking a Senior Python Backend Developer to enhance our service architecture. The role involves designing scalable microservices and transforming legacy systems into maintainable Python services. You will play a crucial part in ensuring backend reliability and driving product-focused development.

The ideal candidate has a minimum of 5 years of Python experience, strong knowledge of FastAPI, and familiarity with databases like MySQL or PostgreSQL. This role requires strong English communication skills and a focus on both legacy modernization and new features.

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Position Requirements
10+ Years work experience
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